KONGL. SV. VET. AKADEMIENS HANDLINGAH. BAND 32. N:0 I. 



121 



Plate IV. 



Heliolites Barrandet Pen. var. p. 60. 

 Fig. 1. Arborescent variety from Sandarfve kulle, Gotland, limestone bed /, nat. size. 



Fig. 2. From tbe surface of a specimen from Louis- 



ville, N. Amer. ®/i. 

 » 3. Longitudinal sectiou of tbe same. Vi- 

 3 4. Part of surface, nat. size of specimen from 



Kozel, Bohemia, also called Stelliporella 



lamellata Wentzbl. 



Heliolites parvistella Fekd. Roemer p. 60 



Fig. 5. 



7, 



8. 

 9. 



Transversal section of tbe same a little below 



tbe surface. ^/i. 

 Longitudinal sectiou of tbe same. Vi- 

 Part of surface of a specimen from tbe islet 



Stora Carlsö near Gotland, nat. size. 

 The same magnified. ^V'- 

 Lougitudinal section of tbe same. ^"/i. 



Heliolites parvistella, var. intricata n. p. 63. 



Fig. 10. Specimen in natural size from tbe stratum c 



at Djupvik, Eksta, Gotland. Drawn by 



C. Hbdelin. ^/i. 



» 11. Portion of tbe surface witb calicles in statu 



nascenti. 



" 3> 12. A calicle, fully developed, from tbe same. 



» 13, 14. Transverse sections at different levels 

 from tbe same specimen. Djupvik, Eksta. 



Vi. 



Fig. 15. Portion of tbe surface as instance of tbe 

 intracalicular gemmation originating tbree 

 different polyparia. Vi- 



' 16. Longitudinal section of a specimen from 

 Djupvik, Eksta. Vi- 



■" 17, 18. Transversal sections of a specimen from 

 tbe islet Lilla Carlsö, diöerence in level 1 

 mm., fig. 17 being tbe upperraost one. ^/i. 



» 19. From tbe base of tbe same specimen sbowing 

 coenencbymal gemmation. Vi- 



Heliolites fasciatus n. p. 65. 



Fig. 20. Surface in nat. size from tbe stratum a near 

 Wisby. 

 » 21. A calicle from tbe same. '"/i- 

 » 22- Longitudinal section sbowing tbe cbarac- 

 teristic banded structure, eight or nine 

 fasciag seen above eacb otber. Cyliudrical 

 tubes of a parasite sectioned. ^/i. 



Fig. 23. 



» 24. 



» 25. 



A portion of tbe coenencbyma longitudinally 



sectioned vpitb a fascia. ^^/i. 

 Longitudinal section. ^^/i. 

 Transversal sectiou of coenencbyma between 



tbe fasciee. *Vi- 



Fig. 26. Tbe surface in natural size, specimen from 

 tbe shale beds b near Wisbv. 



Heliolites repletus n. p. 65. 

 Fig. 27. 



Calicles in staUi nascenti from tbe surface. 



Vi- 



